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Steep Edge Laser Line Longpass Filters

View the Data sheet here.

• Hard Coat (IAD), Durable Per MIL-C48497

• Optical Density ≥ 6.0

• Transition Band < 1.5% (Edge Steepness)

• Ring Mounted

 

Steep Edge Laser

Line Longpass Filters

For Applications In:

  • Fluorescence
  • Raman Spectroscopy

Now, there’s an alternative to the more expensive solutions offering steep edges and deep blocking in laser line long pass filters! Optometrics, using its IAD oxide coating process, now provides durable high performing filters with OD ≥ 6.0 at the laser line, image quality and high transmission, enabling the detection of very weak signals. Additionally, with the edge width from the 50% point to the laser wavelength < 1.5% and with average transmission > 85% for bandwidth ranges 400-900nm, these filters are ideal for most applications in laser induced fluorescence, Raman microscopy and astronomical applications. These are now available at competitive prices.

Features

• Transition Band (Edge Steepness) <1.5%

• Laser Wavelengths 355nm, 488 mm, 514.5nm,

532nm, 632.8nm, 785nm, 1064nm

• Ring Mounted

• Transmission > 85% (min.) (> 80% min. at 355 nm)

• Optical Density ≥ 6.0

• Similar coated filters have withstood

> 1J/CM2 @ 10ns @ 532nm


 

General Specifications

Dimensions ........................................................25mm diameter

+0.00mm, -0.1mm

Thickness ....................................... 7.5mm + 0.00mm, -0.1mm

Clear Aperture ......................................................................> 80%

Mounting .............................. Black anodized aluminum ring

Scratch/Dig ........................................60/40 per MIL-O-13830A

Substrate Material .................................................... Fused Silica

Transmitted Wavefront .........................< 1/2 wave @ 633nm

Angle of Incidence ................................................................. ± 2°

Temperature Coefficient ..................................... < .003nm/°C

Coating ................................................... IAD Refractory Oxides,

Durable Per MIL-C48497

Severe Abrasion

Optometrics Steep Edge Laser

Line Longpass Filters


 

Contact Information:

phone: 978-772-1700

email: sales@optometrics.com

web: http://www.optometrics.com

fax: 978-772-0017

Optometrics Corporation

Wavelength Selection Solutions

A Dynasil Company

 
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Optometrics 8 Nemco Way, Stony Brook Industrial Park, Ayer, MA 01432 USA
Phone: (978) 772-1700  Fax: (978) 772-0017

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